44131421345 has 16 divisors (see below), whose sum is σ = 57890706048. Its totient is φ = 32029655040.

The previous prime is 44131421311. The next prime is 44131421351. The reversal of 44131421345 is 54312413144.

It is not a de Polignac number, because 44131421345 - 2¹⁶ = 44131355809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797024 + ... + 850593.

It is an arithmetic number, because the mean of its divisors is an integer number (3618169128).

Almost surely, 2^44131421345 is an apocalyptic number.

It is an amenable number.

44131421345 is a deficient number, since it is larger than the sum of its proper divisors (13759284703).

44131421345 is a wasteful number, since it uses less digits than its factorization.

44131421345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648120.

The product of its digits is 23040, while the sum is 32.

Adding to 44131421345 its reverse (54312413144), we get a palindrome (98443834489).

The spelling of 44131421345 in words is "forty-four billion, one hundred thirty-one million, four hundred twenty-one thousand, three hundred forty-five".